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TAS2770是一个经优化后可将高峰值功率有效驱动到小型扬声器的单声道数字输入D类放大器。该D类放大器在12.6 V电池电压下可将15.4W峰值功率传输到4Ω负载中,同时保持11.6W连续功率,THD + N小于0.03%。
集成式扬声器电压和电流感测实时监控扬声器行为。电池跟踪峰值电压限制器提供欠压保护,优化了放大器在2S或3S电池系统的整个充电周期的余量。
最多有8个器件可以通过任意一个I 2 < /sup> S /TDM + I 2
C共享一个公共总线。TAS2770器件采用26引脚,0.4mm间距QFN封装,实现紧凑的PCB空间。
所有商标均为其各自所有者的财产。
Audio Input Type |
Architecture |
Speaker Channels (Max) |
Power Stage Supply (Min) (V) |
Power Stage Supply (Max) (V) |
Output Power (W) |
Load (Min) (ohms) |
SNR (dB) |
THD + N @ 1 kHz (%) |
Iq (Typ) (mA) |
Control Interface |
Closed/Open Loop |
Analog Supply (V) (Min) |
Analog Supply (V) (Max) |
PSRR (dB) |
Operating Temperature Range (C) |
Rating |
TAS2770 | TAS2557 | TAS2559 | TAS2560 | TPA2015D1 |
---|---|---|---|---|
Digital Input | Digital Input | Digital Input | Digital Input | Analog Input |
Smart Amp | Class-D Boosted Smart Amp | Class-D Boosted Smart Amp | Class-D Boosted Smart Amp | Class-D Boosted |
Mono | Mono | Mono | Mono | Mono |
4.5 | 2.7 | 2.7 | 2.7 | 2.3 |
16 | 5.5 | 5.5 | 5.5 | 5.2 |
20 | 5.7 | 5.7 | 5.6 | 2 |
4 | 4 | 4 | 4 | 8 |
108 | 111 | 111 | 111 | 95 |
0.007 | 0.0035 | 0.0035 | 0.004 | 0.07 |
7.07 | 3.9 | 3.9 | 3.2 | 1.7 |
I2C | I2C SPI | I2C SPI | I2C | GPIO |
Closed | Closed | Closed | Closed | Closed |
4.5 | 2.9 | 2.9 | 2.9 | 2.3 |
16 | 5.5 | 5.5 | 5.5 | 5.2 |
90 | 110 | 110 | 110 | 85 |
-40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
Catalog | Catalog | Catalog | Catalog | Catalog |